/Engine/Source/Runtime/RHI/Public/RHICommandList.h
struct FRHICommandDrawPrimitiveIndirect : public [FRHICommand< FRHICommandDrawPrimitiveIndirect, FRHICommandDrawPrimitiveIndirectString__LINE__ >](API\Runtime\RHI\FRHICommand)
FRHIBuffer*...
ArgumentBuffer
uint32
ArgumentOffset